/*- * Copyright (c) 2015 Ruslan Bukin * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #define SDMAARM_MC0PTR 0x00 /* ARM platform Channel 0 Pointer */ #define SDMAARM_INTR 0x04 /* Channel Interrupts */ #define SDMAARM_STOP_STAT 0x08 /* Channel Stop/Channel Status */ #define SDMAARM_HSTART 0x0C /* Channel Start */ #define SDMAARM_EVTOVR 0x10 /* Channel Event Override */ #define SDMAARM_DSPOVR 0x14 /* Channel BP Override */ #define SDMAARM_HOSTOVR 0x18 /* Channel ARM platform Override */ #define SDMAARM_EVTPEND 0x1C /* Channel Event Pending */ #define SDMAARM_RESET 0x24 /* Reset Register */ #define SDMAARM_EVTERR 0x28 /* DMA Request Error Register */ #define SDMAARM_INTRMASK 0x2C /* Channel ARM platform Interrupt Mask */ #define SDMAARM_PSW 0x30 /* Schedule Status */ #define SDMAARM_EVTERRDBG 0x34 /* DMA Request Error Register */ #define SDMAARM_CONFIG 0x38 /* Configuration Register */ #define CONFIG_CSM 0x3 #define SDMAARM_SDMA_LOCK 0x3C /* SDMA LOCK */ #define SDMAARM_ONCE_ENB 0x40 /* OnCE Enable */ #define SDMAARM_ONCE_DATA 0x44 /* OnCE Data Register */ #define SDMAARM_ONCE_INSTR 0x48 /* OnCE Instruction Register */ #define SDMAARM_ONCE_STAT 0x4C /* OnCE Status Register */ #define SDMAARM_ONCE_CMD 0x50 /* OnCE Command Register */ #define SDMAARM_ILLINSTADDR 0x58 /* Illegal Instruction Trap Address */ #define SDMAARM_CHN0ADDR 0x5C /* Channel 0 Boot Address */ #define SDMAARM_EVT_MIRROR 0x60 /* DMA Requests */ #define SDMAARM_EVT_MIRROR2 0x64 /* DMA Requests 2 */ #define SDMAARM_XTRIG_CONF1 0x70 /* Cross-Trigger Events Configuration Register 1 */ #define SDMAARM_XTRIG_CONF2 0x74 /* Cross-Trigger Events Configuration Register 2 */ #define SDMAARM_SDMA_CHNPRI(n) (0x100 + 0x4 * n) /* Channel Priority Registers */ #define SDMAARM_CHNENBL(n) (0x200 + 0x4 * n) /* Channel Enable RAM */ /* SDMA Event Mappings */ #define SSI1_RX_1 35 #define SSI1_TX_1 36 #define SSI1_RX_0 37 #define SSI1_TX_0 38 #define SSI2_RX_1 39 #define SSI2_TX_1 40 #define SSI2_RX_0 41 #define SSI2_TX_0 42 #define SSI3_RX_1 43 #define SSI3_TX_1 44 #define SSI3_RX_0 45 #define SSI3_TX_0 46 #define C0_ADDR 0x01 #define C0_LOAD 0x02 #define C0_DUMP 0x03 #define C0_SETCTX 0x07 #define C0_GETCTX 0x03 #define C0_SETDM 0x01 #define C0_SETPM 0x04 #define C0_GETDM 0x02 #define C0_GETPM 0x08 #define BD_DONE 0x01 #define BD_WRAP 0x02 #define BD_CONT 0x04 #define BD_INTR 0x08 #define BD_RROR 0x10 #define BD_LAST 0x20 #define BD_EXTD 0x80 /* sDMA data transfer length */ #define CMD_4BYTES 0 #define CMD_3BYTES 3 #define CMD_2BYTES 2 #define CMD_1BYTES 1 struct sdma_firmware_header { uint32_t magic; uint32_t version_major; uint32_t version_minor; uint32_t script_addrs_start; uint32_t num_script_addrs; uint32_t ram_code_start; uint32_t ram_code_size; }; struct sdma_mode_count { uint16_t count; uint8_t status; uint8_t command; }; struct sdma_buffer_descriptor { struct sdma_mode_count mode; uint32_t buffer_addr; uint32_t ext_buffer_addr; } __packed; struct sdma_channel_control { uint32_t current_bd_ptr; uint32_t base_bd_ptr; uint32_t unused[2]; } __packed; struct sdma_state_registers { uint32_t pc :14; uint32_t unused1: 1; uint32_t t : 1; uint32_t rpc :14; uint32_t unused0: 1; uint32_t sf : 1; uint32_t spc :14; uint32_t unused2: 1; uint32_t df : 1; uint32_t epc :14; uint32_t lm : 2; } __packed; struct sdma_context_data { struct sdma_state_registers channel_state; uint32_t gReg[8]; uint32_t mda; uint32_t msa; uint32_t ms; uint32_t md; uint32_t pda; uint32_t psa; uint32_t ps; uint32_t pd; uint32_t ca; uint32_t cs; uint32_t dda; uint32_t dsa; uint32_t ds; uint32_t dd; uint32_t unused[8]; } __packed; /* SDMA firmware script pointers */ struct sdma_script_start_addrs { int32_t ap_2_ap_addr; int32_t ap_2_bp_addr; int32_t ap_2_ap_fixed_addr; int32_t bp_2_ap_addr; int32_t loopback_on_dsp_side_addr; int32_t mcu_interrupt_only_addr; int32_t firi_2_per_addr; int32_t firi_2_mcu_addr; int32_t per_2_firi_addr; int32_t mcu_2_firi_addr; int32_t uart_2_per_addr; int32_t uart_2_mcu_addr; int32_t per_2_app_addr; int32_t mcu_2_app_addr; int32_t per_2_per_addr; int32_t uartsh_2_per_addr; int32_t uartsh_2_mcu_addr; int32_t per_2_shp_addr; int32_t mcu_2_shp_addr; int32_t ata_2_mcu_addr; int32_t mcu_2_ata_addr; int32_t app_2_per_addr; int32_t app_2_mcu_addr; int32_t shp_2_per_addr; int32_t shp_2_mcu_addr; int32_t mshc_2_mcu_addr; int32_t mcu_2_mshc_addr; int32_t spdif_2_mcu_addr; int32_t mcu_2_spdif_addr; int32_t asrc_2_mcu_addr; int32_t ext_mem_2_ipu_addr; int32_t descrambler_addr; int32_t dptc_dvfs_addr; int32_t utra_addr; int32_t ram_code_start_addr; int32_t mcu_2_ssish_addr; int32_t ssish_2_mcu_addr; int32_t hdmi_dma_addr; }; #define SDMA_N_CHANNELS 32 #define SDMA_N_EVENTS 48 #define FW_HEADER_MAGIC 0x414d4453 struct sdma_channel { struct sdma_conf *conf; struct sdma_buffer_descriptor *bd; uint8_t in_use; }; struct sdma_softc { struct resource *res[2]; bus_space_tag_t bst; bus_space_handle_t bsh; device_t dev; void *ih; struct sdma_channel_control *ccb; struct sdma_buffer_descriptor *bd0; struct sdma_context_data *context; struct sdma_channel channel[SDMA_N_CHANNELS]; uint32_t num_bd; uint32_t ccb_phys; uint32_t context_phys; struct sdma_firmware_header *fw_header; struct sdma_script_start_addrs *fw_scripts; }; struct sdma_conf { bus_addr_t saddr; bus_addr_t daddr; uint32_t word_length; uint32_t nbits; uint32_t command; uint32_t num_bd; uint32_t event; uint32_t period; uint32_t (*ih)(void *, int); void *ih_user; }; int sdma_configure(int, struct sdma_conf *); int sdma_start(int); int sdma_stop(int); int sdma_alloc(void); int sdma_free(int);